SOLUTION: can you help solve this problem: Solve the linear systems of equations using the elimination or addition/multiplication method 9a+2b=10 9a-2b=8

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Question 187269: can you help solve this problem:
Solve the linear systems of equations using the elimination or addition/multiplication method
9a+2b=10
9a-2b=8

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
9a+2b=10
9a-2b=8 NOW ADD THEM
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18A=18
A=18/18
A=1 ANS.
9*1+2B=10
9+2B=10
2B=10-9
B=1/2 ANS.
PROOF:
9*1-2*1/2=8
9-1=8
8=8